Product code

Product Description


GHP Compact Reactor Hydraulic Autopilot with GHC 20 and Shadow Drive

Ideal Entry-level Compact Autopilot System

  • Includes GHP Reactor Starter Pack, GHC 20 marine autopilot control unit and Shadow Drive technology
  • Ideal for single engine outboard boats under 30 feet in length
  • Solid-state 9-axis Attitude Heading Reference System (AHRS)
  • Minimizes heading error, course deviation, rudder movement and power consumption, while providing a comfortable ride
  • Minimal commissioning and calibration

Designed for boats less than 30 feet long, the GHP Compact Reactor Hydraulic Autopilot provides relief from manually holding the wheel to maintain course, especially when cruising at moderate to high speeds¹. Sit back at the helm, and enjoy your time on the water as the solid-state 9-axis AHRS technology delivers a comfortable ride.

GHP Compact Reactor™ Hydraulic Autopilot with GHC™ 20 and Shadow Drive™ Technology Pack

GHP Reactor Hydraulic Corepack with SmartPump

Most Responsive Autopilot We Have Offered

  • Solid-state 9-axis AHRS mounts in any orientation
  • Minimal heading error, course deviation, rudder movement and power consumption with a more comfortable ride
  • Minimal commissioning and calibration
  • One compact, brushless SmartPump fits most hydraulically steered boating applications
  • Patented Shadow Drive™ technology keeps you in control even when autopilot is engaged

Garmin brings an advanced marine technology once only available to commercial boats to the boating public in a complete package designed for powerboats and sailboats. The GHP Reactor autopilot series is simply the most responsive autopilot system we have ever offered. Experience the ultimate hydraulic autopilot performance when paired with the one-size-fits-most, high reliability, brushless SmartPump.

GHP Reactor™ Hydraulic Corepack with SmartPump

GHC 20Autopilot Control Unit

Take Control of Your Autopilot

  • Compatible with legacy Garmin autopilots as well as newer Garmin autopilots; can be controlled with quatix® marine watch
  • Large, bright 4-inch color glass-bonded display with anti-glare finish
  • Easy to read from a distance and 170 degree viewing angle
  • Enhanced night time readability with backlight dimmer and full color or new red/black or green/black color schemes
  • Enhanced daylight readability with new high-contrast color option

GHC™ 20 Marine Autopilot Control Unit

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